
# 打印九九乘法表
# 1x1=1
# 1x2=2 2x2=4
# 1x3=3 2x3=6 3x3=9
# ....
# 1x9=9 2x9=18  ......  9x9=81

for row in range(1, 10):  # row 行
    for col in range(1, row+1):  # col列
        print(f'{col}x{row}={row*col}', end=' ')
    print()

